.cesium-popup {
  position: absolute;
  background: rgba(23, 49, 71, 0.8);
  box-shadow: 0 3px 14px rgba(0,0,0,0.4);
  padding: 15px;
  border-radius: 5px;
  bottom: 12px;
  left: -50px;
  min-width: 240px;
}
.cesium-popup:after, .cesium-popup:before {
  border: solid transparent;
  content: " ";
  height: 0;
  width: 0;
  position: absolute;
  top: 100%;
  left: 50px;
  pointer-events: none;
  border-top-color: rgb(23, 49, 71, 0.47);
}
.cesium-popup:after {
  border-width: 10px;
  margin-left: -10px;
}
.cesium-popup:before {
  border-width: 11px;
  margin-left: -11px;
}
.popup-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 28px;
  color: #fff;
  margin-bottom: 5px;
}
.popup-content {
  max-height: 290px;
  overflow: auto;
  color: #fff;
}
.cesium-popup-closer {
  text-decoration: none;
  position: absolute;
  top: -3px;
  right: 3px;
  cursor: pointer;
}
.cesium-popup-closer:after {
  content: "×";
  color: #ffffff;
  font-size: 18px;
}